package com.coolwen.spring.jdbc.service;

import com.coolwen.spring.jdbc.model.Group;

import java.util.List;

/**
 * @author CoolWen
 * @version 2020-04-16 10:19
 */
public interface GroupSevice {
    public void add(Group group);

    public void delete(int id);

    public void update(Group group);

    public Group load(int id);

    List<Group> list();

    public int loadCountGroup();
}
